Question 1

Chlorine has a higher ionization energy than fluorine.

Accepted Answer

A) True 
 B)False

Question 2

In an atom, the nucleus contains

Accepted Answer

A)  an equal number of protons and electrons. 
B)  all the protons and neutrons. 
C)  all the protons and electrons. 
D)  only neutrons. 
E)  only protons. 
A)  an equal number of protons and electrons. 
B)  all the protons and neutrons. 
C)  all the protons and electrons. 
D)  only neutrons. 
E)  only protons.

Question 3

Mercury is a metal.

Accepted Answer

A) True 
 B)False

Question 4

The electron arrangement of any particular atom shows

Accepted Answer

A)  the number of isotopes possible. 
B)  a description of the shape of each energy level. 
C)  the number of electrons in each energy level. 
D)  a diagram of an atomic nucleus. 
E)  the maximum number of electrons each energy level can hold. 
A)  the number of isotopes possible. 
B)  a description of the shape of each energy level. 
C)  the number of electrons in each energy level. 
D)  a diagram of an atomic nucleus. 
E)  the maximum number of electrons each energy level can hold.

Question 5

What is the abbreviated electron configuration for nickel (atomic number 28)?

Accepted Answer

A)  [He]2s22p3 
B)  [Ar]4s23d8 
C)  [Kr]4s23d8 
D)  [Ar]4s24p4 
E)  [Ar]3d8 
A)  [He]2s22p3 
B)  [Ar]4s23d8 
C)  [Kr]4s23d8 
D)  [Ar]4s24p4 
E)  [Ar]3d8

Question 6

Of the elements: B, C, F, Li, and Na., the element with the largest atomic radius is

Accepted Answer

A)  B. 
B)  C. 
C)  F. 
D)  Li. 
E)  Na. 
A)  B. 
B)  C. 
C)  F. 
D)  Li. 
E)  Na.

Question 7

Isotopes have the same atomic number but different mass numbers.

Accepted Answer

A) True 
 B)False

Question 8

Give the correct number of electrons.
-in the outer energy level of nitrogen

Accepted Answer

A) one 
B) seven 
C) two 
D) eight 
E) five 
A) one 
B) seven 
C) two 
D) eight 
E) five

Question 9

Write in the electronic configuration for the atom shown.
-Sulfur

Accepted Answer

The answer of Write in the electronic configuration for the...

Question 10

Do the following represent elements in a group, a period, or neither?
-He, H, I

Accepted Answer

A) period 
B) neither 
C) group 
A) period 
B) neither 
C) group

Question 11

Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is

Accepted Answer

A)  30. 
B)  32. 
C)  34. 
D)  64. 
E)  94. 
A)  30. 
B)  32. 
C)  34. 
D)  64. 
E)  94.

Question 12

Ionization energy is

Accepted Answer

A)  the energy an ion acquires from an electron. 
B)  the energy needed to remove the least tightly bound electron. 
C)  highest for metals in Group 1A (1). 
D)  higher for potassium than for lithium. 
E)  None of the above. 
A)  the energy an ion acquires from an electron. 
B)  the energy needed to remove the least tightly bound electron. 
C)  highest for metals in Group 1A (1). 
D)  higher for potassium than for lithium. 
E)  None of the above.

Question 13

Give the correct number of electrons.
-in the first energy level of chlorine

Accepted Answer

A) one 
B) seven 
C) two 
D) eight 
E) five 
A) one 
B) seven 
C) two 
D) eight 
E) five

Question 14

The elements sodium, magnesium, and silicon

Accepted Answer

A)  are isotopes of each other. 
B)  are in the same period of elements. 
C)  have the same number of neutrons. 
D)  are in the same group. 
E)  have the same mass number. 
A)  are isotopes of each other. 
B)  are in the same period of elements. 
C)  have the same number of neutrons. 
D)  are in the same group. 
E)  have the same mass number.

Question 15

The symbol for gold is Au.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is a characteristic of nonmetals?

Accepted Answer

A)  shiny 
B)  malleable 
C)  good conductors of heat 
D)  low melting points 
E)  good conductors of electricity 
A)  shiny 
B)  malleable 
C)  good conductors of heat 
D)  low melting points 
E)  good conductors of electricity

Question 17

Consider an isotope of sodium with a mass number of 25. The number of neutrons in this isotope of sodium is

Accepted Answer

A)  11. 
B)  14. 
C)  16. 
D)  25. 
E)  32. 
A)  11. 
B)  14. 
C)  16. 
D)  25. 
E)  32.

Question 18

Identify the noble gas in the following list.

Accepted Answer

A)  helium 
B)  nitrogen 
C)  oxygen 
D)  gold 
E)  chlorine 
A)  helium 
B)  nitrogen 
C)  oxygen 
D)  gold 
E)  chlorine

Question 19

Potassium has one valence electron.

Accepted Answer

A) True 
 B)False

Question 20

The ionization energy of atoms

Accepted Answer

A)  decreases going across a period. 
B)  decreases going down within a group. 
C)  increases going down within a group. 
D)  does not change going down within a group. 
E)  None of the above. 
A)  decreases going across a period. 
B)  decreases going down within a group. 
C)  increases going down within a group. 
D)  does not change going down within a group. 
E)  None of the above.

Exam 3: Atoms and Elements

Chlorine has a higher ionization energy than fluorine.

In an atom, the nucleus contains

Mercury is a metal.

The electron arrangement of any particular atom shows

What is the abbreviated electron configuration for nickel (atomic number 28)?

Of the elements: B, C, F, Li, and Na., the element with the largest atomic radius is

Isotopes have the same atomic number but different mass numbers.

Give the correct number of electrons. -in the outer energy level of nitrogen

Write in the electronic configuration for the atom shown. -Sulfur

Do the following represent elements in a group, a period, or neither? -He, H, I

Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is

Ionization energy is

Give the correct number of electrons. -in the first energy level of chlorine

The elements sodium, magnesium, and silicon

The symbol for gold is Au.

Which of the following is a characteristic of nonmetals?

Consider an isotope of sodium with a mass number of 25. The number of neutrons in this isotope of sodium is

Identify the noble gas in the following list.

Potassium has one valence electron.

The ionization energy of atoms

Chemistry and Measurements

Energy and Matter

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

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